Steel Cut Oats: Grams to Cups
1 cup of steel cut oats = 140 grams
One US cup of steel cut oats weighs 140 grams. One 250 ml metric cup — the one used in the UK, Australia, New Zealand and Canada — holds 148 grams. To convert any weight, divide the grams by the figure for your cup.
Steel-cut oats weigh about 140 g per cup (King Arthur Baking: 70 g per ½ cup). They are chopped, not flattened, so they are dense like rice and take 20–30 minutes to cook.
Where the 140 g figure comes from
- King Arthur Baking ingredient weight chart: Steel cut oats, 1/2 cup = 70 g (about 140 g per cup) (chart)
This site uses 140 g per US cup of steel cut oats, spooned and levelled. References checked September 2026.
How many cups is X grams of steel cut oats?
| Grams | US cups | Metric cups | Tablespoons | Ounces |
|---|---|---|---|---|
| 25 g steel cut oats | ⅛ | ⅛ | 2.86 | 0.88 |
| 50 g steel cut oats | ⅜ | ⅓ | 5.71 | 1.76 |
| 75 g steel cut oats | ½ | ½ | 8.57 | 2.65 |
| 100 g steel cut oats | ¾ | ⅔ | 11.43 | 3.53 |
| 110 g steel cut oats | ¾ | ¾ | 12.57 | 3.88 |
| 120 g steel cut oats | ⅞ | 0.81 | 13.71 | 4.23 |
| 125 g steel cut oats | ⅞ | ⅞ | 14.29 | 4.41 |
| 130 g steel cut oats | ⅞ | ⅞ | 14.86 | 4.59 |
| 140 g steel cut oats | 1 | 0.95 | 16 | 4.94 |
| 150 g steel cut oats | 1⅛ | 1 | 17.14 | 5.29 |
| 170 g steel cut oats | 1¼ | 1⅛ | 19.43 | 6.00 |
| 175 g steel cut oats | 1¼ | 1⅛ | 20 | 6.17 |
| 200 g steel cut oats | 1⅜ | 1⅓ | 22.86 | 7.05 |
| 225 g steel cut oats | 1⅝ | 1½ | 25.71 | 7.94 |
| 240 g steel cut oats | 1¾ | 1⅝ | 27.43 | 8.47 |
| 250 g steel cut oats | 1¾ | 1⅔ | 28.57 | 8.82 |
| 275 g steel cut oats | 2 | 1⅞ | 31.43 | 9.70 |
| 300 g steel cut oats | 2⅛ | 2 | 34.29 | 10.58 |
| 350 g steel cut oats | 2½ | 2⅜ | 40 | 12.35 |
| 400 g steel cut oats | 2⅞ | 2⅔ | 45.71 | 14.11 |
| 450 g steel cut oats | 3¼ | 3.04 | 51.43 | 15.87 |
| 500 g steel cut oats | 3⅝ | 3⅜ | 57.14 | 17.64 |
How to measure steel cut oats accurately
The 140 g figure assumes the spooned-and-levelled method: spoon the steel cut oats into a dry measuring cup and sweep the top flat with a straight edge. Scooping the cup through the bag compacts it and gives a heavier cup.
- 1 US cup of steel cut oats = 140 g
- 1 metric cup (250 ml) of steel cut oats = 148 g
- ¾ cup = 105 g
- ½ cup = 70 g
- ⅓ cup = 47 g
- ¼ cup = 35 g
- 1 tablespoon = 8.8 g
Frequently asked questions
How many cups is 100 grams of steel cut oats?
100 grams of steel cut oats is about ¾ US cups, based on 140 g per cup, or ⅔ metric cups.
How many grams in a cup of steel cut oats?
One US cup of steel cut oats weighs 140 grams. A 250 ml metric cup holds 148 grams.
How many cups is 250 grams of steel cut oats?
250 grams of steel cut oats is about 1¾ US cups, or 1⅔ metric cups.
Does a UK cup of steel cut oats weigh the same as a US cup?
No. A UK, Australian or Canadian metric cup is 250 ml against the US 236.6 ml, so it holds about 5.7% more — 148 g of steel cut oats rather than 140 g.
How many tablespoons is 100 grams of steel cut oats?
100 grams of steel cut oats is about 11.43 tablespoons.
More grains and rice conversions: Rolled Oats (old fashioned) grams to cups and Quick Oats grams to cups.